// Skyqwq
#include <bits/stdc++.h>

#define pb push_back
#define fi first
#define se second
#define mp make_pair

using namespace std;

typedef long long LL;
typedef pair<int, int> PII;

template <typename T> bool chkMax(T &x, T y) { return (y > x) ? x = y, 1 : 0; }
template <typename T> bool chkMin(T &x, T y) { return (y < x) ? x = y, 1 : 0; }

template <typename T> void inline read(T &x) {
    int f = 1; x = 0; char s = getchar();
    while (s < '0' || s > '9') { if (s == '-') f = -1; s = getchar(); }
    while (s <= '9' && s >= '0') x = x * 10 + (s ^ 48), s = getchar();
    x *= f;
}

int db[6][6] = 
{
{0,0,0,0,0,},
{0,5,18,73,267,},
{0,18,150,1533,11398,},
{0,73,1533,31828,469972,},
{0,267,11398,469972,12785753,},
};
int main() {
	int T; read(T);
	while (T--) {
		int n, m; read(n), read(m);
		--n, --m;
		printf("%d\n", db[n][m]);
	}
    return 0;
}